345239139

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{865261}}^1$

素因数の和:865290

約数の個数: 16

約数和(自身を含む): 553767680

約数和(自身を除く): 208528541

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 865261, 2595783, 6056827, 16439959, 18170481, 49319877, 115079713, 345239139]

約数ペア:

[(1, 345239139), (3, 115079713), (7, 49319877), (19, 18170481), (21, 16439959), (57, 6056827), (133, 2595783), (399, 865261)]